<template>
  <div class="menu-create-or-edit">
    <el-card class="box-card">
      <div slot="header" class="clearfix">
        <span>{{ isEdit ? "编辑菜单" : "添加菜单" }}</span>
      </div>
      <el-form ref="form" :model="form" label-width="80px">
        <el-form-item label="菜单名称">
          <el-input v-model="form.name"></el-input>
        </el-form-item>
        <el-form-item label="菜单路径">
          <el-input v-model="form.href"></el-input>
        </el-form-item>
        <el-form-item label="上级菜单">
          <el-select v-model="form.parentId" placeholder="请选择上级菜单">
            <!-- 无上级菜单 -->
            <el-option label="无上级菜单" :value="-1"></el-option>
            <!-- 选择一级菜单 -->
            <el-option
              v-for="item in parentMenuList"
              :key="item.id"
              :label="item.name"
              :value="item.id"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description"></el-input>
        </el-form-item>
        <el-form-item label="前端图标">
          <el-input v-model="form.icon"></el-input>
        </el-form-item>
        <el-form-item label="是否显示">
          <el-radio-group v-model="form.shown">
            <!-- label 的数据会在选择后设置给 v-model 的 shown -->
            <el-radio :label="true">是</el-radio>
            <el-radio :label="false">否</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="排序">
          <el-input-number
            v-model="form.orderNum"
            label="描述文字"
          ></el-input-number>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="onSubmit">提交</el-button>
          <el-button v-if="!isEdit">重置</el-button>
        </el-form-item>
      </el-form>
    </el-card>
  </div>
</template>

<script>
import { getEditMenuInfo, createOrUpdateMenu } from "@/services/menu";

export default {
  name: "CreateOrEdit",
  // 通过 props 接收父组件传值，判断当前是哪种功能（添加或编辑）
  props: {
    isEdit: {
      type: Boolean,
      // 默认为添加功能
      default: false,
    },
  },
  data() {
    return {
      // 表单数据
      form: {
        parentId: -1,
        name: "",
        href: "",
        icon: "",
        orderNum: 0,
        description: "",
        shown: false,
      },
      // 存储上级菜单数据
      parentMenuList: [],
    };
  },
  created() {
    // 加载上级菜单信息
    this.loadMenuInfo();
  },
  methods: {
    async onSubmit() {
      // 1. 表单验证
      // 2. 发送请求
      const { data } = await createOrUpdateMenu(this.form);
      if (data.code === "000000") {
        this.$message.success("提交成功");
        this.$router.push({
          name: "menu",
        });
      }
    },
    async loadMenuInfo() {
      // 检测是否存在路由参数 id, 并进行对应处理
      const id = this.$route.params.id || -1;
      // 请求菜单数据（上级菜单数据）
      const { data } = await getEditMenuInfo(id);
      if (data.code === "000000") {
        // 将上级菜单数据保存，进行数据绑定
        this.parentMenuList = data.data.parentMenuList;
        // 检测是否存在菜单数据 menuInfo，如果存在，更新给 form 即可
        if (data.data.menuInfo) {
          this.form = data.data.menuInfo;
        }
      }
    },
  },
};
</script>

<style lang="scss" scoped></style>
